space colonization

Hello, would someone be interested in providing arguments defending human spaceflight vs unmanned spaceflight? I'm on team unmanned. I'm leaving out difficult questions like cost and danger since these are hard to base arguments around. These are just some arguments I hear companies like NASA...

I’m a writer and currently writing a book that involves space travel to a potentially habitable planet. I’ve done lots of research of potentially habitable planets that we are already aware of and I am aware that scientists believe there to be billions of planets in the Milky Way alone. What...